Garmin GPSMAP 76 Owner's Manual And Reference Manual

Also see for GPSMAP 76 series: Specification sheet Installation instructions Owner's manual Owner's manual & reference guide Declaration of conformity

24Getting Started24ReferenceSatellite LocationThe location of each available satellite is displayed over two location rings.The outer ring represents the horizon, the inner ring represents 45° above thehorizon and the center represents directly overhead. When the unit is usinga satellite for navigation, the satellite number will become highlighted on thelocation rings. The unit can be set to display satellite location with North, or yourcurrent track toward the top of the display.Satellite Strength Indicator BarsThe Satellite Strength Indicator Bars not only show the strength of the signalbeing received, they also show the status of the signal. The bars will be eithershaded with a light grey, or filled with solid black. If the bar is grey, it meansthat the GPS is receiving a signal from the satellite and is in the process of storingorbital data provided in the GPS signal. When the bar turns solid black, the GPSis using the satellite signal for navigation. A “D” in or above the bar means thatdifferential corrections are being applied to that satellite.Date, Time and Current LocationThe GPS gets date and time information from the satellites. The satellitesare equipped with an atomic clock that is very accurate. Since the GPS clockis derived from timing information sent from the satellite, the GPS clock is alsovery accurate.When the GPS receiver has achieved a 2D or 3D GPS Location, the currentlocation will be displayed in the selected Location Format.Satellite Sky ViewGPS Information Page45°90°Outer ring -the horizonInner ring- 45°above the horizonCenter dot - 90°above the horizon